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Rails auto-assigning id that already exists
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edited Jun 17 '12 at 5:07
answered Jun 17 '12 at 4:43
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How to check if element exists using a lambda expression?
...PI level 24
– FabioLux
Apr 5 '19 at 12:41
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How to debug Apache mod_rewrite
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answered Mar 9 '12 at 11:02
BenBen
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SQL Server equivalent of MySQL's NOW()?
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edited Apr 9 '12 at 7:57
Chuck Norris
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Do NSUserDefaults persist through an Update to an app in the Appstore?
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coneybeareconeybeare
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Testing HTML email rendering [closed]
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Yes, you can use any of these popular tools:
Litmus https://litmusapp.com/
MailChimp https:...
Validating IPv4 addresses with regexp
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answered Mar 12 '11 at 18:08
Mark ByersMark Byers
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What does GitHub for Windows' “sync” do?
... local changes, it does git push.
From here: http://haacked.com/archive/2012/05/21/introducing-github-for-windows.aspx#87318
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How can I get the executing assembly version?
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edited Jul 19 '15 at 12:41
answered Feb 9 '11 at 4:28
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MongoDB - Update objects in a document's array (nested updating)
... the positional "$" operator. Something like:
db.bar.update( {user_id : 123456 , "items.item_name" : "my_item_two" } ,
{$inc : {"items.$.price" : 1} } ,
false ,
true);
Note that this will only increment the first matched subdocument in any arra...